I am trying to port the following alias from /etc/network/interfaces to /etc/systemd/network/eth0.network.
auto eth0:1
iface eth0:1 inet static
address 10.0.2.1/24
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sunknudsen
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You don't. Interface aliases don't exist anymore. – Michael Hampton Aug 05 '20 at 18:54
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@MichaelHampton Thanks Michael, so how can I add another IP to `eth0` then? I am trying to solve https://serverfault.com/questions/1029000/how-to-fix-no-address-range-available-for-dhcp-request-error. – sunknudsen Aug 05 '20 at 18:56
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It's a container, not a real VM. You probably don't. – Michael Hampton Aug 05 '20 at 19:00
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As Michael pointed out, you don’t.
Instead, you add additional Address= and Gateway= lines to the interface.
Example:
$ cat /etc/systemd/network/eth0.network
[Match]
Name=eth0
[Network]
Address=2a0a:3840:1337:126::b9c1:7ecb:1337/64
Gateway=2a0a:3840:1337:126::1
IPv6AcceptRA=no
Address=185.193.126.203/24
Gateway=185.193.126.1
DNS=95.215.19.53
[DHCP]
UseDNS=false
sunknudsen
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Thank you for this information! Additionally on my machine the config file is named `10-eth0.network` is there any significance for this number prefix ? – gkns Jan 18 '23 at 11:18